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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2009-2014 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
AC_INIT([libtexpdf],[20140927],[tex-k@tug.org])
AC_PREREQ([2.69])
AC_CONFIG_SRCDIR([pdfdoc.c])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([build-aux])
LT_INIT()
KPSE_COMMON([libtexpdf])
AC_CONFIG_HEADERS([config.h])
AM_SILENT_RULES([yes])
dnl We're not using kpse, but just using its m4 system to aid
dnl integration into the TL tree
dnl Checks for header files.
AC_CHECK_HEADERS([unistd.h stdint.h inttypes.h sys/types.h sys/wait.h stdbool.h])
dnl Checks for library functions.
AC_FUNC_MEMCMP
AC_CHECK_FUNCS([open close getenv basename])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
AC_C_BIGENDIAN
AC_TYPE_INT32_T
AC_TYPE_UINT32_T
AC_CHECK_DECL([timezone],
[AC_DEFINE([HAVE_TIMEZONE], 1,
[Define if <time.h> has timezone as an external variable.])],
[],
[[#include <time.h>]])
AC_CHECK_MEMBER([struct tm.tm_gmtoff],
[AC_DEFINE([HAVE_TM_GMTOFF], 1,
[Define if struct tm has tm_gmtoff as a member.])],
[],
[[#include <time.h>]])
AC_CHECK_SIZEOF([char])
AC_CHECK_SIZEOF([short])
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long])
AC_SEARCH_LIBS([pow], [m])
KPSE_ZLIB_FLAGS
PKG_CHECK_MODULES(LIBPNG, libpng,[],[AC_MSG_FAILURE([libpng not available or not configured with pkg-config])])
AC_CHECK_LIB([png],[png_get_image_width],[],[AC_MSG_FAILURE([Suitable libpng not found])],[$LIBPNG_LIBS])
if test "x$enable_build" != xno || test -f config.force; then
KPSE_ADD_FLAGS([zlib])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <zlib.h>]],
[[Bytef *dst,*src; uLong dstlen, srclen; int lvl, err;
err=compress2(dst, &dstlen, src, srclen, lvl);]])],
[],
[AC_MSG_ERROR([Sorry, you need zlib with compress2])])
echo timestamp >config.force
fi
dnl We require zlib with compress2 and libpng
AC_DEFINE([HAVE_ZLIB], 1, [Define if you have zlib and its headers.])
AC_DEFINE([HAVE_ZLIB_COMPRESS2], 1, [Define if your zlib has the compress2 function.])
AC_DEFINE([HAVE_LIBPNG], 1, [Define if you have libpng and its headers.])
AC_CONFIG_FILES([Makefile ])
AC_OUTPUT